mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
83 lines
2.7 KiB
Plaintext
83 lines
2.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsISupports.idl"
|
|
#include "nsIRDFContainer.idl"
|
|
#include "nsIRDFResource.idl"
|
|
|
|
|
|
// Container utilities
|
|
[scriptable, uuid(D4214E91-FB94-11D2-BDD8-00104BDE6048)]
|
|
interface nsIRDFContainerUtils : nsISupports {
|
|
/**
|
|
* Returns 'true' if the property is an RDF ordinal property.
|
|
*/
|
|
boolean IsOrdinalProperty(in nsIRDFResource aProperty);
|
|
|
|
/**
|
|
* Convert the specified index to an ordinal property.
|
|
*/
|
|
nsIRDFResource IndexToOrdinalResource(in long aIndex);
|
|
|
|
/**
|
|
* Convert the specified ordinal property into an index
|
|
*/
|
|
long OrdinalResourceToIndex(in nsIRDFResource aOrdinal);
|
|
|
|
/**
|
|
* Return 'true' if the specified resource is a container
|
|
*/
|
|
boolean IsContainer(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Return 'true' if the specified resource is a container and it is empty
|
|
*/
|
|
boolean IsEmpty(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Return 'true' if the specified resource is a bag
|
|
*/
|
|
boolean IsBag(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Return 'true' if the specified resource is a sequence
|
|
*/
|
|
boolean IsSeq(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Return 'true' if the specified resource is an alternation
|
|
*/
|
|
boolean IsAlt(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Decorates the specified resource appropriately to make it
|
|
* usable as an empty bag in the specified data source.
|
|
*/
|
|
nsIRDFContainer MakeBag(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Decorates the specified resource appropriately to make it
|
|
* usable as an empty sequence in the specified data source.
|
|
*/
|
|
nsIRDFContainer MakeSeq(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Decorates the specified resource appropriately to make it
|
|
* usable as an empty alternation in the specified data source.
|
|
*/
|
|
nsIRDFContainer MakeAlt(in nsIRDFDataSource aDataSource, in nsIRDFResource aResource);
|
|
|
|
/**
|
|
* Retrieve the index of element in the container. Returns -1 if
|
|
* the element is not in the container.
|
|
*/
|
|
long indexOf(in nsIRDFDataSource aDataSource, in nsIRDFResource aContainer, in nsIRDFNode aElement);
|
|
};
|
|
|
|
%{C++
|
|
extern nsresult
|
|
NS_NewRDFContainerUtils(nsIRDFContainerUtils** aResult);
|
|
%}
|